From: "John Ehrman" <john.ehr...@comcast.net>
Sent: Sunday, November 12, 2017 4:34 PM


You could take an alternate view: anything with a sign is an expression. So, the decimal value of 2**32-1 could be treated as a self-defining term.

The same issue sometimes arises when people discuss the difference between X'FFFF' and 65535 -- if System/360 had been a 16-bit machine, would the maximum value of a decimal self-defining term be 32767?

Well, there was such a beast, but it wasn't called S/360, but System 4.
The model 30 had the 16-bit instruction set, plus a DH (Divide Halfword).

The System 4 was built under licence to RCA who built the RCA Spectra,
a 360 look-alike.

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